==== Source: A.sol ==== contract A { uint x; function f(uint _x) public { x = _x; } } ==== Source: B.sol ==== import "A.sol"; pragma experimental SMTChecker; contract B is A { function g(uint _x) public view { assert(_x > x); } } ==== Source: C.sol ==== import "A.sol"; pragma experimental SMTChecker; contract C is A { function h(uint _x) public view { assert(_x < x); } } // ---- // Warning 6328: (B.sol:103-117): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n_x = 0\n\n\nTransaction trace:\nconstructor()\nState: x = 0\ng(0) // Warning 6328: (C.sol:103-117): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n_x = 0\n\n\nTransaction trace:\nconstructor()\nState: x = 0\nh(0)